49171776 has 56 divisors (see below), whose sum is σ = 132892800. Its totient is φ = 16038912.

The previous prime is 49171763. The next prime is 49171777. The reversal of 49171776 is 67717194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49171777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6300 + ... + 11748.

Almost surely, 2^49171776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49171776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66446400).

49171776 is an abundant number, since it is smaller than the sum of its proper divisors (83721024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49171776 is a wasteful number, since it uses less digits than its factorization.

49171776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511 (or 5501 counting only the distinct ones).

The product of its digits is 74088, while the sum is 42.

The square root of 49171776 is about 7012.2589798153. The cubic root of 49171776 is about 366.3576783494.

The spelling of 49171776 in words is "forty-nine million, one hundred seventy-one thousand, seven hundred seventy-six".